Listen to Liturgy of St John Chrysostom, Op. 41: Eucharistic Prayer: Preface - Sanctus (The Mercy of Peace) online. Liturgy of St John Chrysostom, Op. 41: Eucharistic Prayer: Preface - Sanctus (The Mercy of Peace) is an English language song and is sung by Vladislav Chernushenko and Leningrad Glinka Choir. Liturgy of St John Chrysostom, Op. 41: Eucharistic Prayer: Preface - Sanctus (The Mercy of Peace), from the album Tchaikovsky: Liturgy of St. John Chrysostom, Op. 41, was released in the year 2009. The duration of the song is 2:56. Download English songs online from JioSaavn.